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| 型號： | CDP1853D |
| 廠商： | INTERSIL CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | N-Bit 1 of 8 Decoder |
| 中文描述： | OTHER DECODER/DRIVER, TRUE OUTPUT, CDIP16 |
| 封裝： | SIDE BRAZED, CERAMIC, DIP-16 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 32K |
| 代理商： | CDP1853D |
4-35
CDP1853,
CDP1853C
N-Bit 1 of 8 Decoder
Description
The CDP1853 and CDP1853C are 1 of 8 decoders designed for
use in general purpose microprocessor systems. These
devices, which are functionally identical, are specifically
designed for use as gated N-bit decoders and interface directly
with the 1800-series microprocessors without additional compo-
nents. The CDP1853 has a recommended operating voltage
range of 4V to 10.5V, and the CDP1853C has a recommended
operating voltage range of 4V to 6.5V.
When CHIP ENABLE (CE) is high, the selected output will be
true (high) from the trailing edge of CLOCK A (high-to-low tran-
sition) to the trailing edge of CLOCK B (high-to-low transition).
All outputs will be low when the device is not selected (CE = 0)
and during conditions of CLOCK A and CLOCK B as shown in
Figure 2. The CDP1853 inputs N0, N1, N2, CLOCK A, and
CLOCK B are connected to an 1800-series microprocessor out-
puts N0, N1, N2, TPA, and TPB respectively, when used to
decode I/O commands as shown in Figure 5. The CHIP
ENABLE (CE) input provides the capability for multiple levels of
decoding as shown in Figure 6.
The CDP1853 can also be used as a general 1 of 8 decoder for
I/O and memory system applications as shown in Figure 4.
The CDP1853 and CDP1853C are supplied in hermetic 16-lead
dual-in-line ceramic (D suffix) and plastic (E suffix) packages.
Features
Provides Direct Control of Up to 7 Input and 7 Output
Devices
CHIP ENABLE (CE) Allows Easy Expansion for Multi-
level I/O Systems
Ordering Information
PACKAGE TEMP. RANGE
-40
o
C to +85
o
C CDP1853CE
5V
10V
PKG.
NO.
PDIP
CDP1853E E16.3
Burn-In
CDP1853CEX
-
E16.3
SBDIP
-40
o
C to +85
o
C CDP1853CD
CDP1853D D16.3
Burn-In
CDP1853CDX
-
D16.3
March 1997
File Number
1189.2
Pinout
16 LEAD DIP
TOP VIEW
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
CLK A
N0
N1
OUT 0
OUT 1
OUT 2
V
SS
OUT 3
V
DD
CLK B
N2
CE
OUT 4
OUT 5
OUT 6
OUT 7
CDP1853 Functional Diagram
FIGURE 1.
Qn
4
5
6
7
12
11
10
9
1 OF 8
DECODER
OUT 0
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
2
3
14
N0
N1
N2
13
CE
1
15
CLOCK
A
(TPA)
CLOCK
B
(TPB)
EN
TRUTH TABLE
1 = High level, 0 = Low level, X = Don’t care
Qn-1 = Enable remains in previous state.
CE
CL A
CL B
EN
1
0
0
Qn-1
1
0
1
1
1
1
0
0
1
1
1
1
0
X
X
0
N2
N1
N0
EN
0
1
2
3
4
5
6
7
0
0
0
1
1
0
0
0
0
0
0
0
0
0
1
1
0
1
0
0
0
0
0
0
0
1
0
1
0
0
1
0
0
0
0
0
0
1
1
1
0
0
0
1
0
0
0
0
1
0
0
1
0
0
0
0
1
0
0
0
1
0
1
1
0
0
0
0
0
1
0
0
1
1
0
1
0
0
0
0
0
0
1
0
1
1
1
1
0
0
0
0
0
0
0
1
X
X
X
0
0
0
0
0
0
0
0
0
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
相關(guān)PDF資料 |
PDF描述 |
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| CDP1853E | N-Bit 1 of 8 Decoder |
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| CDP1854AEX | Programmable Universal Asynchronous Receiver/Transmitter (UART) |
| CDP1854AC | Programmable Universal Asynchronous Receiver/Transmitter (UART) |
| CDP1854ACD | Programmable Universal Asynchronous Receiver/Transmitter (UART) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CDP1853D3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CDP1853D3R2540 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CDP1853E | 制造商:RCA 功能描述: |
| CDP1854 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:High Reliability CMOS Programmable Universal Asynchronous Receiver/Transmitter (UART) |
| CDP1854 DIE | 制造商:Harris Corporation 功能描述: |
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